"Cyburgs-Stick" featuring W4-655SA - Page 2 - diyAudio
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Old 13th October 2006, 08:04 AM   #11
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Join Date: Sep 2004
Location: Brisbane, Australia
I'd certainly agree with Berndt, about chamfering the internal edge of the driver opening. I've just built a pair of needles and ran them a while before veneering. I missed doing this during construction, so before applying the finishing I put a rebate on the inner edge with a rebate bit and bearing acting as a patten bit.

The sound certainly opens up and sounds less constrained; a lot easier to listen too.

http://www.greenie512.net/greenie512/html/needles2.html
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Old 1st January 2007, 03:05 PM   #12
gychang is offline gychang  United States
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Join Date: Feb 2005
Location: Davis, California
Quote:
Originally posted by MuaDibb
If you have the 871S already, I would suggest a downward firing BIB. If, you can put them in corners. I recently built a pair and they sound really good, amazing bass for a 3" driver.

Is there a detailed dimensions and pictures of the BIB with the 871s?

thanks,

gychang
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Old 26th January 2007, 07:37 AM   #13
alspe is offline alspe  Finland
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Very nice Sticks Cyburgs,

I'm planning to build these sticks using TB W4-657SC.

Could anyone consider what effect is smallering the bigger chamber of stick? I consired to cut a slice with new board between A ja E boards and fill new chamber with sand or something like that. I think more mass to speaker would be good thing. How it would affect in sound of speaker?

Sorry my bad language.

- Ali
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Old 29th January 2007, 02:54 AM   #14
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I am also considering building the sticks using the W4-657S > !!

any opinions ??
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Old 11th February 2007, 06:35 PM   #15
alspe is offline alspe  Finland
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Do you know what kind sound pressure levels speaker can handle? I heard that Creative sound FS125 can handle only 90 dB in some needle box? Then control of speaker is gone.

What about this Cyburgs Needle?
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Old 11th February 2007, 07:36 PM   #16
alspe is offline alspe  Finland
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What do you think about using 2-4 speakers in one box? What kind of volymes and measures box must have with many speakers? I think that speaker could be higher but not wider. Speaker could be 130 cm high.

I'm considerin better SPL and lower cone excursion.
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Old 11th February 2007, 08:06 PM   #17
Svein_B is offline Svein_B  Norway
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Quote:
Originally posted by alspe

I'm considerin better SPL and lower cone excursion.
A) Use larger speakers. 3" drivers are not for high SPL disco/rock.

B) You could put two fullrange drivers in one box, as a bi-pole (one front, one at back). Multiple fullrange or HF drivers on the front are usually not a good idea since there will be problems with off-axis response for higher frequencies.

SveinB
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Old 24th February 2007, 06:13 PM   #18
chuck55 is offline chuck55  United States
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What is "BIB"? Bigger is better?

Gychang, this is all I could find:

W3-871 BIB
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Old 24th February 2007, 06:29 PM   #19
chuck55 is offline chuck55  United States
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Cyburgs, couple of questions:
How does this design compare to the tapered quarter wave of the W3-871s?

Would mounting the driver 1/3 down from the top of the cabinet smooth out the bass? Why do you mount the driver near the top?

IMHO I would not use the W4-1320. This has a rising FR and is designed for OB.
I think the W4-616 is closer to the W4-655 although probably not as good.
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Old 24th February 2007, 09:03 PM   #20
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Quote:
Originally posted by chuck55
What is "BIB"? Bigger is better?

Gychang, this is all I could find:

W3-871 BIB

For all things BIB see - http://www.zillaspeak.com/bib-howtobuild.asp
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